this from the associated press. secretary of state hillary clinton has been admitted to the hospital with a blood clot. following that concussion, you'll remember, she suffered a concussion after becoming severely dehydrated and she fell earlier this month. we should say, nbc news has not confirmed this report. let's go to nbc's kristin welker, who is at the white house. my understanding was, kristin, she had been expected to go back to work soon. >> reporter: that was our understanding. secretary of state, officials with the department, essentially saying that she was getting better, they expected her to return to work soon. of course, we learned about the fact that she was not feeling well, that she was ill, she had the flu a couple of weeks ago, and then a couple days after that, we learned that she became dehydrated, fell, suffered a concussion, as you said. at that point in time, officials with her department said she was at home, he was resting, she was getting medical care, she was being monitored by doctors. as you'll recall, chris, she wasn't able to testify on the incident